#include <gazebo/gazebo.hh>
#include <ros/ros.h>

namespace gazebo
{
    // Register this plugin with the simulator
    class GazeboPluginTest : public WorldPlugin
    {
        public: GazeboPluginTest() : WorldPlugin()
            {
                ROS_WARN("Hello World!");
            }

        public: void Load( 	physics::WorldPtr _world,sdf::ElementPtr _sdf )
            {
                ROS_WARN("Hello World! Load");
            }
    };

    GZ_REGISTER_WORLD_PLUGIN(GazeboPluginTest)
    // GZ_REGISTER_MODEL_PLUGIN(GazeboPluginTest)
    // GZ_REGISTER_SENSOR_PLUGIN(GazeboPluginTest)
}